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Infer result type from result_type arg under string name overload #938

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Infer result type from result_type arg under string name overload #938

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16 changes: 8 additions & 8 deletions temporalio/client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -447,7 +447,7 @@ async def start_workflow(
args: Sequence[Any] = [],
id: str,
task_queue: str,
result_type: Optional[Type] = None,
result_type: Optional[Type[ReturnType]] = None,
execution_timeout: Optional[timedelta] = None,
run_timeout: Optional[timedelta] = None,
task_timeout: Optional[timedelta] = None,
Expand All @@ -472,7 +472,7 @@ async def start_workflow(
request_eager_start: bool = False,
priority: temporalio.common.Priority = temporalio.common.Priority.default,
versioning_override: Optional[temporalio.common.VersioningOverride] = None,
) -> WorkflowHandle[Any, Any]: ...
) -> WorkflowHandle[Any, ReturnType]: ...

async def start_workflow(
self,
Expand Down Expand Up @@ -728,7 +728,7 @@ async def execute_workflow(
args: Sequence[Any] = [],
id: str,
task_queue: str,
result_type: Optional[Type] = None,
result_type: Optional[Type[ReturnType]] = None,
execution_timeout: Optional[timedelta] = None,
run_timeout: Optional[timedelta] = None,
task_timeout: Optional[timedelta] = None,
Expand All @@ -753,7 +753,7 @@ async def execute_workflow(
request_eager_start: bool = False,
priority: temporalio.common.Priority = temporalio.common.Priority.default,
versioning_override: Optional[temporalio.common.VersioningOverride] = None,
) -> Any: ...
) -> ReturnType: ...

async def execute_workflow(
self,
Expand Down Expand Up @@ -941,10 +941,10 @@ async def execute_update_with_start_workflow(
start_workflow_operation: WithStartWorkflowOperation[Any, Any],
args: Sequence[Any] = [],
id: Optional[str] = None,
result_type: Optional[Type] = None,
result_type: Optional[Type[LocalReturnType]] = None,
rpc_metadata: Mapping[str, str] = {},
rpc_timeout: Optional[timedelta] = None,
) -> Any: ...
) -> LocalReturnType: ...

async def execute_update_with_start_workflow(
self,
Expand Down Expand Up @@ -1062,10 +1062,10 @@ async def start_update_with_start_workflow(
wait_for_stage: WorkflowUpdateStage,
args: Sequence[Any] = [],
id: Optional[str] = None,
result_type: Optional[Type] = None,
result_type: Optional[Type[LocalReturnType]] = None,
rpc_metadata: Mapping[str, str] = {},
rpc_timeout: Optional[timedelta] = None,
) -> WorkflowUpdateHandle[Any]: ...
) -> WorkflowUpdateHandle[LocalReturnType]: ...

async def start_update_with_start_workflow(
self,
Expand Down
11 changes: 10 additions & 1 deletion tests/worker/test_workflow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ async def run(self, param1: int, param2: str) -> str:

async def test_workflow_multi_param(client: Client):
# This test is mostly just here to confirm MyPy type checks the multi-param
# overload approach properly
# overload approach properly, and infers result type from result_type.
async with new_worker(
client, MultiParamWorkflow, activities=[multi_param_activity]
) as worker:
Expand All @@ -216,6 +216,15 @@ async def test_workflow_multi_param(client: Client):
)
assert result == "param1: 123, param2: val1"

result_via_name_overload = await client.execute_workflow(
"MultiParamWorkflow",
args=[123, "val1"],
id=f"workflow-{uuid.uuid4()}",
task_queue=worker.task_queue,
result_type=str,
)
assert result_via_name_overload == "param1: 123, param2: val1"


@workflow.defn
class InfoWorkflow:
Expand Down
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